President Barack Obama's scheduled commencement address Sunday at the University of Notre Dame has prompted more protests and more arrests.

Twenty-one people were charged with trespassing as they marched onto the South Bend, Ind., campus today, protesting the president's stand on abortion rights.

Three of them were also charged with resisting law enforcement, including former Republican presidential candidate Alan Keyes and the Rev. Norman Weslin. Weslin is a 78-year-old Roman Catholic priest and founder of an anti-abortion group called Lambs of Christ. He was carted away on a stretcher.

None of those arrested today is a Notre Dame student. Five of them, including Keyes, were ordered jailed until after the president's speech because they had been arrested at the school before.

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